| /************************************************************************** |
| * |
| * Copyright 2007 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef SP_TEXTURE_H |
| #define SP_TEXTURE_H |
| |
| |
| #include "pipe/p_state.h" |
| #include "sp_limits.h" |
| |
| |
| struct pipe_context; |
| struct pipe_screen; |
| struct softpipe_context; |
| |
| |
| /** |
| * Subclass of pipe_resource. |
| */ |
| struct softpipe_resource |
| { |
| struct pipe_resource base; |
| |
| unsigned long level_offset[SP_MAX_TEXTURE_2D_LEVELS]; |
| unsigned stride[SP_MAX_TEXTURE_2D_LEVELS]; |
| unsigned img_stride[SP_MAX_TEXTURE_2D_LEVELS]; |
| |
| /** |
| * Display target, only valid for PIPE_TEXTURE_2D with the |
| * PIPE_BIND_DISPLAY_TARGET usage. |
| */ |
| struct sw_displaytarget *dt; |
| |
| /** |
| * Malloc'ed data for regular buffers and textures, or a mapping to dt above. |
| */ |
| void *data; |
| |
| /* True if texture images are power-of-two in all dimensions: |
| */ |
| boolean pot; |
| boolean userBuffer; |
| |
| unsigned timestamp; |
| }; |
| |
| |
| /** |
| * Subclass of pipe_transfer. |
| */ |
| struct softpipe_transfer |
| { |
| struct pipe_transfer base; |
| |
| unsigned long offset; |
| }; |
| |
| |
| /** cast wrappers */ |
| static inline struct softpipe_resource * |
| softpipe_resource(struct pipe_resource *pt) |
| { |
| return (struct softpipe_resource *) pt; |
| } |
| |
| static inline struct softpipe_transfer * |
| softpipe_transfer(struct pipe_transfer *pt) |
| { |
| return (struct softpipe_transfer *) pt; |
| } |
| |
| |
| /** |
| * Return pointer to a resource's actual data. |
| * This is a short-cut instead of using map()/unmap(), which should |
| * probably be fixed. |
| */ |
| static inline void * |
| softpipe_resource_data(struct pipe_resource *pt) |
| { |
| if (!pt) |
| return NULL; |
| |
| assert(softpipe_resource(pt)->dt == NULL); |
| return softpipe_resource(pt)->data; |
| } |
| |
| |
| extern void |
| softpipe_init_screen_texture_funcs(struct pipe_screen *screen); |
| |
| extern void |
| softpipe_init_texture_funcs(struct pipe_context *pipe); |
| |
| unsigned |
| softpipe_get_tex_image_offset(const struct softpipe_resource *spr, |
| unsigned level, unsigned layer); |
| #endif /* SP_TEXTURE */ |